428490951907221

Names of 428490951907221

• Cardinal: 428490951907221 can be written as Four hundred twenty-eight trillion, four hundred ninety billion, nine hundred fifty-one million, nine hundred seven thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.28490951907221 × 10¹⁴

Factors of 428490951907221

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 226

Divisors of 428490951907221

• Number of divisors d(n): 400
• Complete list of divisors:
  1 3 7 9 21 27 37 49 63 81 111 147 179 189 243 259 333 343 441 537 567 729 777 999 1029 1253 1323 1369 1611 1701 1813 2187 2331 2401 2997 3087 3759 3969 4107 4833 5103 5439 6561 6623 6993 7203 8771 8991 9261 9583 11277 11907 12321 12691 14499 15309 16317 19683 19869 20979 21609 26313 26973 27783 28749 33831 35721 36963 38073 43497 45927 46361 48951 50653 59607 61397 62937 64827 67081 78939 80919 83349 86247 88837 101493 107163 110889 114219 130491 137781 139083 146853 151959 178821 184191 188811 194481 201243 236817 242757 245051 250047 258741 266511 304479 321489 324527 332667 342657 354571 391473 417249 429779 440559 455877 469567 536463 552573 566433 583443 603729 710451 728271 735153 750141 776223 799533 913437 964467 973581 998001 1027971 1063713 1174419 1251747 1289337 1321677 1367631 1408701 1609389 1657719 1699299 1715357 1750329 1811187 2131353 2205459 2250423 2271689 2328669 2398599 2481997 2740311 2920743 2994003 3083913 3191139 3286969 3523257 3755241 3868011 3965031 4102893 4226103 4828167 4973157 5097897 5146071 5250987 5433561 6394059 6616377 6751269 6815067 6986007 7195797 7445991 8220933 8762229 8982009 9066887 9251739 9573417 9860907 11265723 11604033 11895093 12007499 12308679 12678309 14484501 14919471 15438213 15752961 15901823 16300683 17373979 19182177 19849131 20445201 20958021 21587391 22337973 24662799 26286687 26946027 27200661 27755217 28720251 29582721 33797169 34812099 35685279 36022497 36926037 38034927 43453503 44758413 46314639 47258883 47705469 48902049 52121937 57546531 59547393 61335603 62874063 63468209 64762173 67013919 78860061 81601983 83265651 84052493 86160753 88748163 101391507 104436297 108067491 110778111 114104781 121617853 130360509 134275239 138943917 143116407 146706147 156365811 172639593 178642179 184006809 188622189 190404627 194286519 201041757 236580183 244805949 249796953 252157479 258482259 266244489 304174521 313308891 324202473 332334333 342314343 364853559 402825717 416831751 429349221 440118441 444277463 469097433 535926537 552020427 571213881 582859557 588367451 603125271 709740549 734417847 756472437 775446777 798733467 912523563 939926673 972607419 997002999 1026943029 1094560677 1208477151 1250495253 1288047663 1320355323 1332832389 1407292299 1607779611 1656061281 1713641643 1748578671 1765102353 1809375813 2129221647 2203253541 2269417311 2326340331 2396200401 2819780019 2917822257 3080829087 3109942241 3283682031 3751485759 3864142989 3998497167 4221876897 4823338833 4968183843 5140924929 5295307059 5428127439 6387664941 6609760623 6808251933 6979020993 7188601203 8459340057 8753466771 9242487261 9329826723 9851046093 11254457277 11592428967 11995491501 12665630691 14904551529 15422774787 15885921177 16284382317 19829281869 20424755799 21565803609 21769595687 26260400313 27989480169 29553138279 33763371831 34777286901 35986474503 37996892073 44713654587 46268324361 47657763531 48853146951 59487845607 61274267397 64697410827 65308787061 78781200939 83968440507 88659414837 104331860703 107959423509 113990676219 138804973083 142973290593 178463536821 183822802191 195926361183 236343602817 251905321521 265978244511 312995582109 323878270527 341972028657 416414919249 428919871779 551468406573 587779083549 755715964563 797934733533 971634811581 1249244757747 1286759615337 1654405219719 1763337250647 2267147893689 2393804200599 2914904434743 3860278846011 5290011751941 6801443681067 8744713304229 11580836538033 15870035255823 20404331043201 47610105767469 61212993129603 142830317302407 428490951907221
• Sum of all divisors σ(n): 774934461259200
• Sum of proper divisors (its aliquot sum) s(n): 346443509351979
• 428490951907221 is a deficient number, because the sum of its proper divisors (346443509351979) is less than itself. Its deficiency is 82047442555242

Bases of 428490951907221

• Binary: 1100001011011010111010010111110100101011110010101₂
• Hexadecimal: 0x185B5D2FA5795
• Base-36: 47VY0XGGB9

Squares and roots of 428490951907221

• 428490951907221 squared (428490951907221²) is 183604495866356379937391942841
• 428490951907221 cubed (428490951907221³) is 78672865208220468488662095410858387567154861
• The square root of 428490951907221 is 20700022.9929152735
• The cube root of 428490951907221 is 75390.0246372155

Scales and comparisons

• 428,490,951,907,221 seconds is equal to 13,624,686 years, 44 weeks, 5 days, 10 hours, 40 minutes, 21 seconds.
• To count from 1 to 428,490,951,907,221 would take you about thirty-four million, sixty-one thousand, seven hundred seventeen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 428490951907221 cubic inches would be around 6282.5 feet tall.

Recreational maths with 428490951907221

• 428490951907221 backwards is 122709159094824
• 428490951907221 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 428490951907221's digits is 63
• More coming soon!